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293085091 = 13471074483
BaseRepresentation
bin10001011110000…
…001111110100011
3202102111021011101
4101132001332203
51100012210331
645025455231
710156116325
oct2136017643
9672437141
10293085091
11140491192
12821a1517
1348949540
142acd3615
151aae5061
hex11781fa3

293085091 has 16 divisors (see below), whose sum is σ = 325430784. Its totient is φ = 262250784.

The previous prime is 293085077. The next prime is 293085101. The reversal of 293085091 is 190580392.

It is a cyclic number.

It is not a de Polignac number, because 293085091 - 223 = 284696483 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 293085091.

It is not an unprimeable number, because it can be changed into a prime (293085031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63136 + ... + 67618.

It is an arithmetic number, because the mean of its divisors is an integer number (20339424).

Almost surely, 2293085091 is an apocalyptic number.

293085091 is a deficient number, since it is larger than the sum of its proper divisors (32345693).

293085091 is a wasteful number, since it uses less digits than its factorization.

293085091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4650.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 293085091 is about 17119.7281228412. The cubic root of 293085091 is about 664.2495093119.

The spelling of 293085091 in words is "two hundred ninety-three million, eighty-five thousand, ninety-one".

Divisors: 1 13 47 107 611 1391 4483 5029 58279 65377 210701 479681 2739113 6235853 22545007 293085091